21104888

素因数分解:

$2^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{3167}}^1$

素因数の和:3204

約数の個数: 48

約数和(自身を含む): 48755520

約数和(自身を除く): 27650632

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 49, 56, 68, 98, 119, 136, 196, 238, 392, 476, 833, 952, 1666, 3167, 3332, 6334, 6664, 12668, 22169, 25336, 44338, 53839, 88676, 107678, 155183, 177352, 215356, 310366, 376873, 430712, 620732, 753746, 1241464, 1507492, 2638111, 3014984, 5276222, 10552444, 21104888]

約数ペア:

[(1, 21104888), (2, 10552444), (4, 5276222), (7, 3014984), (8, 2638111), (14, 1507492), (17, 1241464), (28, 753746), (34, 620732), (49, 430712), (56, 376873), (68, 310366), (98, 215356), (119, 177352), (136, 155183), (196, 107678), (238, 88676), (392, 53839), (476, 44338), (833, 25336), (952, 22169), (1666, 12668), (3167, 6664), (3332, 6334)]